<template>
	<div>
		<el-drawer
			@closed="closed"
			v-model="data.drawerShow"
			direction="ltr"
			:title="(data.role_id !== 0 ? `编辑` : `添加`) + `权限`"
			:with-header="true"
		>
			<el-form ref="ruleFormRef" :model="ruleForm" :rules="rules" label-width="140px">
				<el-form-item label="权限名称" prop="role_name">
					<el-input v-model="ruleForm.role_name" />
				</el-form-item>

				<el-form-item label="排序(从大到小)" prop="role_sort">
					<el-input-number v-model="ruleForm.role_sort" />
				</el-form-item>

				<el-form-item label="权限描述" prop="role_describe">
					<el-input v-model="ruleForm.role_describe" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" />
				</el-form-item>

				<el-form-item class="save-button">
					<el-button type="primary" @click="() => submitForm(ruleFormRef)">{{ data.role_id !== 0 ? `编辑` : `添加` }}</el-button>
					<el-button class="reset-button" @click="() => resetForm(data.role_id === 0 ? originalForm() : data.oldForm)"
						>重置</el-button
					>
				</el-form-item>
			</el-form>
		</el-drawer>
	</div>
</template>
<script setup lang="ts" name="PagesFormDrawer">
import { reactive, ref } from "vue";
import type { FormInstance, FormRules } from "element-plus";
import { ElMessage } from "element-plus";
import { add, edit } from "@/api/modules/role";

/* 表单 */
const ruleFormRef = ref<FormInstance>();

interface RuleForm {
	role_name: string;
	role_sort: number;
	role_describe: string;
	[key: string]: any;
}

const originalForm = (): RuleForm => {
	return {
		role_name: "",
		role_sort: 50,
		role_describe: ""
	};
};
/* 参数 */
const data = reactive<{
	drawerShow: boolean;
	role_id: number;
	oldForm: RuleForm;
}>({
	drawerShow: false,
	role_id: 0,
	oldForm: originalForm()
});

/*  */

const ruleForm = reactive<RuleForm>(originalForm());

const rules = reactive<FormRules>({
	role_name: [
		{ required: true, message: "权限名称不为空", trigger: "blur" },
		{
			max: 255,
			message: "不能超过255字符",
			trigger: "blur"
		}
	],
	role_describe: [
		{
			max: 512,
			message: "权限描述不超过512字符",
			trigger: "blur"
		}
	]
});

const submitForm = async (formEl: FormInstance | undefined) => {
	if (!formEl) return;
	await formEl.validate(async (valid, fields) => {
		if (valid) {
			if (data.role_id !== 0) {
				await edit(ruleForm, data.role_id);
				ElMessage.success("编辑成功");
			} else {
				await add(ruleForm);
				ElMessage.success("添加成功");
			}
			data.drawerShow = false;
			emit("close");
		} else {
			console.log("error submit!", fields);
		}
	});
};

const resetForm = (original: RuleForm) => {
	let key: keyof RuleForm;
	for (key in original) ruleForm[key] = original[key];
};
/**
 * 关闭弹窗清空表单
 */
const closed = () => {
	resetForm(originalForm());
};

/*  */

/**
 * 对外暴露子组建方法
 */
const open = (params: RuleForm | undefined = undefined) => {
	data.role_id = 0; //添加
	if (params !== undefined) {
		data.role_id = params.role_id;
		let key: keyof RuleForm;
		for (key in params) {
			if (ruleForm.hasOwnProperty(key)) ruleForm[key] = params[key];
			if (data.oldForm.hasOwnProperty(key)) data.oldForm[key] = params[key];
		}
	}
	data.drawerShow = true;
};
defineExpose({
	open
});
/*  */
/**
 * 事件回调
 */
const emit = defineEmits<{
	(event: "close"): void;
}>();
/*  */
</script>
<style scoped lang="scss">
@import "./index.scss";
</style>
